Psychtoolbox>Screen.{mex*} subfunction

pixelSizes=Screen(‘PixelSizes’, windowPtrOrScreenNumber)

List all possible pixelSizes for this screen available at the current height and
width settings. pixelSizes refer to the color depth of single pixels in bits -
also known as bpp or bits per pixel. If you change height and with settings the
avaialable depths might change.

###See also: Resolutions Resolution